Describe any three types of bacteria according to their shape. | web4study

Describe any three types of bacteria according to their shape.



types of bacteria according to their shape

There are different shapes of bacteria.

(1) Cocci:

(Singular-Coccus = Gr. Kokkos = Berry, rounded). They are spherical arid according to cell arrangement they are: Solitary (single) (Monococcus), in a pair (Diplococci), in the chain (Streptococci), in a cluster (Staphylococci) etc. They are non-flagellated.

 

(2) Bacilli:

(Singular-Bacillus = L, Bakulus = A-rod). They are rod-shaped. They may be found in pairs (Diplobacillus) or in chains (Streptobacillus) etc. They may be flagellated.

 

(3) Spirilla:

(Singular-Spirillum = Gr. Sperira = A coil. They are spiral or corkscrew-shaped (spirillum).

 


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